Beyond email: could startup Slack change the way you work?

Two million people are already using Slack to chat, send emojis and encourage creativity at work. Nasa and Harvard are on board – will your company be next?Erica Baker likes poker. So did many of the engineers she spent 10 years working with at Google, in the California headquarters of one of the world’s most valuable technology companies. When she was eventually invited to a poker night with other engineers, the group of white, male colleagues fell silent as she walked into the room